It is possible to change it by applying the following settings.
(1) On the NetSkateKoban Console side
Set the desired port number in the RMI_PORT entry of config\ports.conf.
Example: RMI_PORT = 9901
(2) On the NetSkateKoban Manager side
Set the same value as in (1) in the RMI_PORT entry of config\ports.conf.
Example: RMI_PORT = 9901
When specifying a port number to log in to the NetSkateKoban Manager from the NetSkateKoban Console, please append a colon (:) and the port number to the end of the "Host Name or IP Address" entered in "Connect to:".
Example of the "Connect to:" input when specifying a port number: 192.168.0.133:9901